Practice Quiz

ADA NBDE National Board Dental Part II

Category - NBDE II

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The malunion of the medial nasal process with the maxillary process develops into:
  1. Cleft lip
  2. Cleft palate
  3. Cleft palate and cleft lip
  4. Ripped tongue syndrome
Explanation
Answer: A - The malunion of the medial nasal process with the maxillary process develops into a cleft lip. Complete cleft lip involves the entire lip and underlying premaxilla or alveolar arch. Incomplete cleft lip offers different pattern formations: lateral facial cleft, median maxillary anterior alveolar cleft, median cleft of the upper lip, and oblique facial cleft. The causes of clefts can be environmental, genetic, or syndromic.
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